Berlin turns into city of light art with opening of Festival of Lights

Illuminated buildings are seen at Potsdamer Platz during the 2018 Festival of Lights in Berlin, capital of Germany, on Oct. 5, 2018. Berlin turned into a city of light art with the opening of its Festival of Lights on Friday which will last from Oct. 5 to Oct. 14. (Xinhua/Shan Yuqi)